CN221001112U - Auxiliary tool for raft foundation reinforcement construction - Google Patents
Auxiliary tool for raft foundation reinforcement construction Download PDFInfo
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- CN221001112U CN221001112U CN202322787580.0U CN202322787580U CN221001112U CN 221001112 U CN221001112 U CN 221001112U CN 202322787580 U CN202322787580 U CN 202322787580U CN 221001112 U CN221001112 U CN 221001112U
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- raft foundation
- steel
- horizontal cross
- cross arm
- shaped
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 title claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 96
- 239000010959 steel Substances 0.000 claims abstract description 96
- 239000010410 layer Substances 0.000 claims abstract description 58
- 239000011241 protective layer Substances 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000009435 building construction Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004579 marble Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of building construction, in particular to an auxiliary tool for constructing raft foundation steel bars, which comprises a support split heads, wherein the support split heads comprise profile steel bases arranged on waterproof protective layers, and the profile steel bases are used for supporting lower layer steel bars of the raft foundation; an angle steel upright post is vertically arranged on the section steel base, a horizontal cross arm is arranged at the top of the angle steel upright post, and the horizontal cross arm is used for supporting upper-layer steel bars of the raft foundation; one end of the horizontal cross arm is provided with a connecting sleeve. The support split heads are spliced by adopting prefabricated connecting sleeves, so that the connection is simple, the steel bar materials can be saved, the technical requirements on workers are low, and the construction progress can be improved; the lower layer steel bar of the raft foundation is supported by adopting a steel base with uniform specification, so that the uniform thickness of the steel bar protection layer can be ensured.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an auxiliary tool for constructing raft foundation steel bars.
Background
When constructing the raft foundation steel bars of the building engineering, two kinds of connection modes are adopted for supporting the split heads, namely binding and welding, the binding connection mode is high in steel bar material consumption, and the problem that the whole supporting split heads are unstable due to unstable binding exists; the welding connection mode also has the problems of large consumption of reinforcing steel bar materials and large manual consumption, and meanwhile, the welding construction must take measures to meet the environmental protection requirement.
In addition, the reinforcement protection layer has one function of ensuring normal operation of the reinforcement and ensuring sufficient adhesion between the tension reinforcement and the compression concrete, and has the other function of isolating the contact between the reinforcement and the external environment and preventing the reinforcement from being oxidized and rusted; the construction of the existing raft lower layer reinforcement protection layer often adopts marble as a cushion block, the dimension error of the marble cushion block is large, the bonding strength of the marble cushion block and concrete is different, and the thickness uniformity and unification of the reinforcement protection layer are difficult to ensure.
Disclosure of utility model
Aiming at the problems, the embodiment of the utility model provides an auxiliary tool for constructing raft foundation steel bars.
In one aspect of the embodiment of the utility model, an auxiliary tool for constructing raft foundation steel bars is provided, and the auxiliary tool comprises a support split heads, wherein the support split heads comprise profile steel bases arranged on a waterproof protective layer, and the profile steel bases are used for supporting lower layer steel bars of the raft foundation; an angle steel upright post is vertically arranged on the section steel base, a horizontal cross arm is arranged at the top of the angle steel upright post, and the horizontal cross arm is used for supporting upper-layer steel bars of the raft foundation; one end of the horizontal cross arm is provided with a connecting sleeve.
Compared with the prior art, the utility model has the beneficial effects that: the support split heads are spliced by adopting prefabricated connecting sleeves, so that the connection is simple, the steel bar materials can be saved, the technical requirements on workers are low, and the construction progress can be improved; the lower layer steel bar of the raft foundation is supported by adopting a steel base with uniform specification, so that the uniform thickness of the steel bar protection layer can be ensured.
Optionally, the angle steel upright post is provided with a diagonal bracing obliquely downwards.
Optionally, the raft foundation upper layer steel bar fixing device further comprises U-shaped steel bar positioning tools which are arranged on the upper layer steel bars in the raft foundation upper layer steel bars at intervals, wherein the U-shaped steel bar positioning tools are used for installing two rows of steel bars below the upper layer steel bars, and the raft foundation upper layer steel bar fixing device specifically comprises a U-shaped suspender, a pressing plate sleeved on the U-shaped suspender and a locking nut screwed at the end part of the U-shaped suspender.
Optionally, a boom scale identifier is arranged on the U-shaped boom.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the utility model. In the drawings:
Fig. 1 is an overall schematic diagram of a raft foundation reinforcement construction structure according to an embodiment of the present utility model;
fig. 2 is a schematic view of a front view structure of a support bench according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a side view structure of a support bench according to an embodiment of the utility model;
FIG. 4 is a schematic view of a connection structure of a support split heads according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a U-shaped steel bar positioning tool according to an embodiment of the present utility model.
Wherein, support split heads 1, shaped steel base 2, raft foundation lower floor's reinforcing bar 3, angle steel stand 4, horizontal cross arm 5, raft foundation upper floor's reinforcing bar 6, connecting sleeve 7, bracing 8, lower floor's upper portion reinforcing bar 9, lower floor's reinforcing bar 10, upper portion reinforcing bar 11, upper portion lower floor's reinforcing bar 12, two rows of reinforcing bars 13, U shaped steel bar positioning tool 14, U type jib 15, clamp plate 16, lock nut 17, jib scale sign 18.
Detailed Description
The present utility model will be described in further detail with reference to the following embodiments and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.
As shown in fig. 1-5, the auxiliary tool for constructing raft foundation steel bars provided by the embodiment of the utility model comprises a support split heads 1, wherein the support split heads 1 comprise profile steel bases 2 arranged on a waterproof protective layer, and the profile steel bases 2 are used for supporting raft foundation lower layer steel bars 3; an angle steel upright post 4 is vertically arranged on the section steel base 2, a horizontal cross arm 5 is arranged at the top of the angle steel upright post 4, and the horizontal cross arm 5 is used for supporting a raft foundation upper layer steel bar 6; one end of the horizontal cross arm 5 is provided with a connecting sleeve 7; inclined struts 8 are obliquely arranged downwards on the angle steel upright posts 4; the raft foundation lower layer steel bar 3 comprises a lower layer upper layer steel bar 9 and a lower layer steel bar 10; the raft foundation upper layer steel bars 6 comprise upper layer steel bars 11 and upper layer lower layer steel bars 12.
In the implementation, the connecting sleeve 7 can be used as a connecting piece between the supporting split heads 1, and is made of a JDG tube with the length of 100mm, sleeved into the end part of the horizontal cross arm 5, and then fixed at the end part of the horizontal cross arm 5 by spot welding after being 50 mm; the type of the steel bars and the type of the angle steel of the support split heads 1 are determined by the type of the upper layer steel bars 6 of the raft foundation to be supported, and can be smaller than the type of the upper layer steel bars 6 of the raft foundation by one type or the same type; the height of the profile steel base 2 is the thickness of a reinforcement protection layer at the lower side of the raft, and the height of the angle steel upright post 3 is the sum of the thickness of the raft plate, the thickness of the reinforcement protection layer at the upper side and the thickness of the reinforcement protection layer at the lower side, the diameter of the reinforcement 12 at the lower part of the upper layer and the diameter of the horizontal cross arm 5; the length of the horizontal cross arm 5 is preferably 1.5-2 meters; and an inclined strut 8 is welded obliquely downwards at the position of one half of the height of the angle steel upright post 4, and the inclined strut 8 and the angle steel upright post 4 form an angle of 45 degrees.
The support split heads 1 are spliced by adopting the prefabricated connecting sleeve 7, so that the connection is simple, the steel bar materials can be saved, the technical requirements on workers are low, and the construction progress is improved; the raft foundation lower layer steel bar 3 adopts the shaped steel base 2 with uniform specification to support, and can ensure that the thickness of the steel bar protection layer is uniform and uniform.
When the existing raft foundation reinforcement is constructed, under the condition that two rows of reinforcement 13 are designed below the upper layer upper reinforcement 11, a supporting reinforcement is welded on a split heads, and the problems of large consumption of reinforcement materials and large manual consumption exist when the supporting reinforcement is welded, meanwhile, the welding construction must take measures to meet the environmental protection requirement, for this purpose, the auxiliary tool for constructing the raft foundation reinforcement further comprises U-shaped reinforcement positioning tools 14 which are arranged on the upper layer upper reinforcement 11 in the raft foundation upper layer reinforcement 6 at intervals, wherein the U-shaped reinforcement positioning tools 14 are used for installing the two rows of reinforcement 13 below the upper layer upper reinforcement 11, and specifically comprise U-shaped suspenders 15, pressing plates 16 sleeved on the U-shaped suspenders 15 and locking nuts 17 which are screwed on the ends of the U-shaped suspenders 15.
In practice, the U-boom 15 may be provided with a boom scale indicator 18.
When the auxiliary tool for constructing the raft foundation steel bars is used for construction, after the support split heads 1 and the U-shaped steel bar positioning tool 14 are prefabricated, the construction positions of the support split heads 1 are positioned on the waterproof protection layer, the support split heads 1 are lifted to the positioned construction positions, and the support split heads 1 positioned in the same row are connected into a whole by the connecting sleeve 7;
Then laying lower-layer steel bars 10 according to the designed positions, firmly binding the lower-layer steel bars 10 on the profile steel base 2 with the profile steel base 2, laying lower-layer upper-layer steel bars 9 on the firmly-bound lower-layer steel bars 10, firmly binding the lower-layer steel bars 10, and lifting the rest uncombined lower-layer steel bars 10 to be firmly bound with the lower-layer upper-layer steel bars 9;
then binding the vertical steel bars of the frame column and the shear wall according to the designed positions, and binding the horizontal steel bars and stirrups in the raft in the two;
Paving an upper layer lower reinforcing steel bar 12 in the direction vertical to the horizontal cross arm 5 according to the designed position, firmly binding the upper layer lower reinforcing steel bar 12 with the horizontal cross arm 5, paving and binding an upper layer upper reinforcing steel bar 11 parallel to the direction of the horizontal cross arm 5 on the upper layer lower reinforcing steel bar 12;
U-shaped steel bar positioning tools 14 are arranged on the upper layer of the upper steel bars 11 at intervals, two rows of steel bars 13 penetrate into U-shaped suspenders 15 and are firmly bound, and locking nuts 17 are adjusted according to suspender scale marks 18 in the binding process, so that the distance between the two rows of steel bars 13 and the upper layer of the upper steel bars 11 meets the design requirement;
and finally, lofting frame columns and shear wall section dimension side lines or control lines on the upper layer of steel bars 6 of the raft foundation, correcting the positions of the steel bars of the frame columns and the shear wall according to the lofted side lines or control lines, and fixing firmly to finish the construction of the raft foundation steel bars.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
Claims (4)
1. The auxiliary tool for the construction of the raft foundation reinforcement comprises a support split heads, and is characterized in that the support split heads comprise profile steel bases arranged on a waterproof protective layer, and the profile steel bases are used for supporting the lower layer reinforcement of the raft foundation; an angle steel upright post is vertically arranged on the section steel base, a horizontal cross arm is arranged at the top of the angle steel upright post, and the horizontal cross arm is used for supporting upper-layer steel bars of the raft foundation; one end of the horizontal cross arm is provided with a connecting sleeve.
2. The raft foundation reinforcing bar construction appurtenance of claim 1, wherein the angle steel upright is provided with a diagonal brace obliquely downward.
3. The auxiliary tool for constructing raft foundation rebars as claimed in claim 1 or 2, further comprising a U-shaped rebars positioning tool arranged on the upper rebars of the raft foundation at intervals, wherein the U-shaped rebars positioning tool is used for installing two rows of rebars below the upper rebars, and specifically comprises a U-shaped suspender, a pressing plate sleeved on the U-shaped suspender and a locking nut screwed at the end of the U-shaped suspender.
4. A raft foundation reinforcing bar construction appurtenance as claimed in claim 3, wherein the U-shaped boom is provided with boom scale markings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787580.0U CN221001112U (en) | 2023-10-18 | 2023-10-18 | Auxiliary tool for raft foundation reinforcement construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787580.0U CN221001112U (en) | 2023-10-18 | 2023-10-18 | Auxiliary tool for raft foundation reinforcement construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221001112U true CN221001112U (en) | 2024-05-24 |
Family
ID=91112516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322787580.0U Active CN221001112U (en) | 2023-10-18 | 2023-10-18 | Auxiliary tool for raft foundation reinforcement construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221001112U (en) |
-
2023
- 2023-10-18 CN CN202322787580.0U patent/CN221001112U/en active Active
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